docs: def __get_bundle_data(self, bundleId):
          """``GET /{serviceInstanceId}/v2/bundles/{bundleId}``
  
          Gets the bundle's information.
          """
          url = self.__get_base_bundle_url() + '/' + bundleId
          response = self.__perform_rest_call(requestURL=url)
  
          if not response:
              return None
  
          bundleData = response.get(self.__RESPONSE_BUNDLE_KEY)
  
          return bundleData